Bolthole Index

Campbell County, Kentucky

Building permits, zoning and land rules in Dayton, Kentucky

Dayton, Kentucky requires building permits for covered construction and alterations, with a narrow ordinary-repair exception.1 Dayton adopts its own zoning in Campbell County and uses Campbell County’s contracted zoning and building inspection services.23 New Dayton buildings must connect to public water and sanitary sewer; Northern Kentucky Health Department handles septic approval where onsite disposal is applicable.45

At a glance

Building permits
Required for covered construction and alterations; ordinary repairs narrowly exempt1
Zoning
City zoning, administered through contracted Campbell County services2
Water and sewer
New buildings must connect to public water and central sanitary sewer4
Septic approval
Northern Kentucky Health Department; $300 site evaluation where septic applies5
RV living
Living in campers and listed vehicles prohibited; conditional houseboat exception6
Occupancy approval
Certificate required before using created, changed, converted or enlarged premises7

Who to call

Building permits

Campbell County Planning, Zoning, and Building Inspection Department — Dayton contracted services

Dayton zoning matters, building permits and contracted building inspection services

(859) 292-3880

1098 Monmouth St Suite 343 Newport, KY 41071

Septic permits

Northern Kentucky Health Department

Site evaluations, installation approval and inspections where septic systems apply in Dayton

859-341-4264

Planning & zoning

City of Dayton — City Hall

City contact for routing floodplain questions and requests for municipal fee schedules

(859) 491-1600

514 Sixth Avenue Dayton, KY 41074

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Off-grid gear

Going off-grid in Dayton means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Dayton, KY?

Dayton requires written applications and the required building permits before construction, enlargement, alteration, removal, demolition or installation or alteration of building equipment.1 Dayton’s ordinary-repair exception excludes structural changes, changes affecting ingress or egress, piping, electrical wiring, mechanical work and work affecting public health and safety.1 Ask the contracted building office to classify a repair before starting work.8 Dayton also adopts the Kentucky Building Code, Kentucky Plumbing Code and Kentucky Standards of Safety, including amendments adopted over time.9

Who handles Dayton building permits and zoning applications?

Dayton directs zoning, building and sign applicants to Campbell County applications and uses contracted Campbell County building inspection and zoning services.3 Reach Dayton’s contracted building and zoning office through the city’s City Zoning page.8 Identify the property as inside Dayton so the application is considered under Dayton’s adopted rules.2 Dayton adopts Campbell County’s building and permit fee schedule and Municipal Planning & Zoning Department fee schedule; current copies must be available at the City Clerk/Treasurer’s office.10 Septic approval remains with Northern Kentucky Health Department where onsite disposal applies.5

Does Dayton have zoning, lot-size and setback rules?

Dayton adopts its own zoning code, with administration through contracted Campbell County services.2 For a single-family detached dwelling in Dayton’s R-1C district, maximum building height is 35 feet; that district-specific limit should not be treated as the rule for every Dayton parcel.11 Ask the contracted zoning office to identify the parcel’s district and provide its lot-size and setback standards before choosing a house plan.8 Dayton also has subdivision regulations, and Kentucky requires planning-commission approval before land is subdivided and before an approved plat is recorded.1213

How do water, sewer and septic approval work in Dayton?

New buildings in Dayton must connect to public water and central sanitary sewer.4 Existing Dayton buildings within reasonable distance of an existing or newly extended sewer must connect, and private sewage disposal is prohibited; City Council or the Northern Kentucky District Board of Health determines reasonable distance.4 Where septic is applicable, Northern Kentucky Health Department requires a site evaluation, with a $300 evaluation fee, followed by installation approval for a suitable or provisionally suitable site.5 The installer must request Health Department inspection before covering the work.14 Resolve the sewer requirement before budgeting for an onsite system.4

Can you live in an RV or tiny home in Dayton?

Dayton prohibits living in an automobile, camper, bus, boat or truck within the city’s jurisdiction, except that houseboats may be permitted along the Licking and Ohio Rivers.6 Buying a Dayton lot therefore does not provide a camper-living route while a house is built.6 We could not confirm a complete Dayton rule for temporary camping, tiny-home occupancy, accessory dwellings or minimum dwelling floor area; ask the contracted zoning office about the proposed structure and use.8 A created, changed, converted or enlarged building or premises requires a certificate of occupancy before use, demonstrating zoning and Building Code conformity.7

Building a home in Dayton: what are the steps?

  1. Ask Dayton’s contracted zoning office to identify the parcel’s district and review the proposed residential use.28
  2. Resolve public water and sanitary sewer connections; consult Northern Kentucky Health Department if onsite sewage disposal is applicable.45
  3. Submit access plans for required review; a state-maintained route also needs state transportation approval before city access approval.15
  4. File written building applications and obtain required approvals before covered work; ask the contracted inspection service for the project’s inspection schedule.13
  5. Obtain the required certificate of occupancy before using the completed building.7

What should you check before buying a Dayton lot?

Dayton’s special-flood-hazard-area rules require new residential construction and substantial improvements to elevate the lowest floor, basement, mechanical equipment and ductwork at least 2 feet above base flood elevation, with separate AO and undetermined-elevation A Zone provisions.16 Completion requires elevation certification by a registered professional engineer or surveyor and community building-inspection verification.16 Ask City Hall to route parcel-specific floodplain questions to the Floodplain Administrator.17 Dayton access plans require review, and single-family residential access-point widths must be 9–20 feet.15 For a property outside Dayton city limits, use the Campbell County guide for the unincorporated-area building-permit answer.18

Watch-outs

  • Dayton’s new-building public water and sewer requirements constrain an off-grid plan before septic design begins.4
  • Dayton’s camper-living prohibition is separate from the unconfirmed rules for temporary camping; ask the contracted zoning office about the intended use.68
  • We could not confirm Dayton’s complete ordinary-construction inspection schedule or a general owner-builder exemption; ask the contracted building inspection service before scheduling work.8

Sources

  1. § 150.15 Zoning, Building, Demolition, and Other Permits Required; Exception (Dayton), quoted and re-checked
  2. § 154.01 Adoption by reference (Dayton), quoted and re-checked
  3. City Zoning - City of Dayton, Kentucky (Dayton), quoted and re-checked
  4. Section 9.15 Building Regulations; Water and Sanitary Sewer Service (Dayton), quoted and re-checked
  5. Septic Systems - Northern Kentucky Health Department (Dayton), quoted and re-checked
  6. Section 9.23 Parking or Storing of Trailers, Mobile Homes, Campers, Inoperable Vehicles, and Other Such Type Equipment (Dayton), quoted and re-checked
  7. Section 16.3 Certificate of Occupancy (Dayton), quoted and re-checked
  8. Campbell County Planning, Zoning, and Building Inspection Department — Dayton contracted services (daytonky.com)
  9. § 150.01 Adoption of Kentucky Building Code; Standards of Safety (Dayton), quoted and re-checked
  10. Ordinance 2024-20, permit fee and enforcement amendments (Dayton), quoted and re-checked
  11. Section 10.3 R-1C Residential One-C Zone (Dayton), quoted and re-checked
  12. Chapter 155 Subdivision Regulations (Dayton), quoted and re-checked
  13. KRS 100.277 — Commission approval required for subdivisions (Kentucky statewide rule), quoted and re-checked
  14. Septic Systems - Northern Kentucky Health Department (Dayton), quoted and re-checked
  15. Section 11.4 Access Control Regulations (Dayton), quoted and re-checked
  16. codelibrary.amlegal.com (Dayton), quoted and re-checked
  17. City of Dayton — City Hall (daytonky.com)
  18. Campbell County Code sec. 154.277 Building Permits (2026 county census)

Written October 12, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Answers from the rulebook for Dayton

Dayton’s own rules

  • Building permitRequired

    Construction, enlargement, alteration, removal, demolition, and equipment installation or alteration in buildings inside Dayton.

    • Ordinary repairs are exempt only as defined in § 150.15(B).
    • Ordinary repairs do not include structural changes, changes affecting ingress or egress, piping, electrical wiring, mechanical work, or work affecting public health and safety.
    “It shall be unlawful to construct, enlarge, alter, remove, or demolish a building or to install or alter any equipment in, on, or to a building without first filing application(s) in writing with the City’s designated Building Inspector and/or Administrator (“Inspector/Administrator”) and obtaining the required permit(s) therefor, except that ordinary repairs as defined in division (B) of this section shall be exempt from this provision.”
  • Building code adoptedAdopted

    Building work inside Dayton city limits; the city adopts the Kentucky Building Code, Kentucky Plumbing Code, and Kentucky Standards of Safety by reference.

    • The adopted codes include amendments adopted from time to time.
    • Copies are available at the City Clerk/Treasurer's office.
    “The Kentucky Building Code, as contained in Chapter 7, Title 815 of the Kentucky Administrative Regulations; the Kentucky Plumbing Code, as contained in Chapter 20, Title 815 of the Kentucky Administrative Regulations; and the Kentucky Standards of Safety, as contained in Chapter 10, Title 815 of the Kentucky Administrative Regulations, together with any amendments as from time to time adopted, are hereby adopted by reference as if fully set forth in this code of ordinances.”
  • Certificate of occupancyRequired

    Any building or premises inside Dayton that is created, changed, converted, or enlarged, before use or occupancy.

    • The certificate must show conformity with the zoning appendix and Building Code.
    • The City Inspector/Zoning Administrator must check and be satisfied that the building and proposed use conform.
    “It shall be unlawful for an owner to use or permit the use of any building or premises or part thereof, hereafter created, changed, converted or enlarged, wholly or partly, until a certificate of occupancy shall have been issued by the City Inspector/Zoning Administrator.”
  • Local zoningPresent

    Land inside Dayton city limits; Dayton adopts its own zoning code, administered through contracted Campbell County planning and zoning services.

    • The City of Dayton website states that Campbell County handles zoning-related matters for the city.
    “The City of Dayton, Kentucky Zoning Code is hereby adopted by reference, as set out in the Appendix to this chapter.”
  • Building heightSpecified

    Single-family detached dwellings in Dayton's R-1C Residential One-C Zone.

    maximum building height: <= 35 feet

    “Maximum building height: 35 feet. D. Other development controls:”
  • Living in an RVProhibited

    Living in an automobile, camper, bus, boat, or truck inside Dayton.

    • Houseboats may be permitted along the Licking and Ohio Rivers.
    • The section separately regulates outside storage of trailers, mobile homes, recreational vehicles, campers, boats, and similar equipment.
    “It shall be unlawful for any person or persons to live in any automobile, camper, bus, boat, or truck, within the jurisdiction of the City Council, except houseboats may be permitted along the Licking and Ohio Rivers.”
  • Off-grid sanitationProhibited

    New building construction and existing buildings within reasonable distance of a public sewer inside Dayton.

    • New buildings must connect to public water and central sanitary sewer.
    • For existing buildings within reasonable distance of an existing or newly extended sewer, private sewage disposal is prohibited.
    • Reasonable distance is determined by City Council or the Northern Kentucky District Board of Health.
    “Where existing buildings are presently unserved by a public sanitary sewer system and are located within a reasonable distance of an existing or newly extended sanitary sewer line, as determined by the City Council or the Northern Kentucky District Board of Health, that building shall be required to connect with the public sanitary sewer system and the private sewage disposal system shall be prohibited.”
  • Subdividing landRegulated (with conditions)

    Subdivision activity inside Dayton city limits.

    • The subdivision regulations are included in Chapter 155 as an appendix.
    • Further procedures and standards are contained in the chapter's articles.
    “Editor's note: The city's subdivision regulations have been included herein as an appendix.”
  • Driveway accessRequired

    Access points for development inside Dayton, especially arterial and collector streets.

    • Access plans must be submitted to the City Inspector/Zoning Administrator and Northern Kentucky Area Planning Commission staff.
    • State-maintained routes also require Kentucky Department of Transportation review and approval.
    • No access-point plans may be approved or permits issued by the city until required Kentucky Department of Transportation approval is obtained.
    • In single-family residential zones, access points must be 9 to 20 feet wide.
    • Spacing and frontage-road conditions vary by roadway classification.

    single-family residential access-point width: 9-20 feet

    “In single-family residential zones, no access point width shall be less than nine feet, nor more than 20 feet.”
  • Building in a floodplainRequired

    New residential construction and substantial improvements in Dayton special flood hazard areas.

    • The lowest floor, basement, mechanical equipment, and ductwork must be at least two feet above base flood elevation.
    • AO Zones have separate elevation rules based on the FIRM depth number or two feet above highest adjacent grade if no depth is specified.
    • In A Zones without FEMA technical data, the Floodplain Administrator determines the base flood elevation method.
    • Upon completion, elevation must be certified by a registered professional engineer or surveyor and verified by the community building inspection department.

    minimum residential elevation above base flood elevation: >= 2 feet (AO and A Zone rules in § 152.31(A)(1)-(2))

    “New construction or substantial improvement of any residential structure (including manufactured home) shall have the lowest floor, including basement, mechanical equipment and ductwork elevated no lower than two feet above the base flood elevation.”
  • Permit feesPublished (with conditions)

    Dayton zoning, building, demolition, and other permits.

    • The city adopts the Campbell County building and permit fee schedule and Municipal Planning & Zoning Department fee schedule by reference.
    • Schedules may be amended from time to time.
    • Copies must be available at the City Clerk/Treasurer's office.
    • The ordinance identifies a Campbell County fee-schedule URL.
    “The Campbell County building and permit fee schedule & Municipal Planning & Zoning Department fee schedule, as amended from time to time, is hereby adopted by reference by the City as if this schedule was fully set forth written in this code Code of Oordinances.”
  • Permit processPartial

    Zoning, building, and sign applications inside Dayton.

    • Dayton directs applicants to Campbell County applications.
    • Applications must be filed in writing before covered construction or alteration.
    • Campbell County provides contracted zoning and building inspection services.
    “Applications for all zoning, building, and sign issues can be found on the Campbell County website.”

Rules another office applies inside Dayton

Dayton does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Septic permitRequired

    New septic systems inside Dayton where public sewer is unavailable or otherwise not controlling.

    • A site evaluation application is submitted to the Health Department.
    • The site evaluation fee is $300.
    • If the site is suitable or provisionally suitable, a certified installer may apply for the installation permit with required paperwork and permit fee.
    • The steps should occur before construction begins.

    site evaluation fee: 300 USD

    “If the site received a suitable or provisionally suitable overall rating, then the certified installer may apply at the Health Department for a permit to install the septic system. At that time, all required paperwork must be submitted along with the permit fee.”
  • Septic inspectionRequired

    Installation of septic systems inside Dayton.

    • After installation, the installer must request Health Department inspection before any work is covered.
    “Once the installer puts in the septic system, he/she must then request an inspection from the Health Department before any of the work is covered.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Dayton or Campbell County directly.

  • Owner-builder exemption — Owner-builder work inside Dayton city limits.
  • Inspections — Building inspection requirements inside Dayton city limits.
  • Minimum dwelling size — Minimum dwelling size inside Dayton.
  • Lot coverage — Lot coverage inside Dayton.
  • Camping on your land — Temporary camping on private land inside Dayton.
6 more unanswered
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Well permit
  • Agricultural exemption
  • Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Dayton publishes no rule on the point, not that none exists. Campbell County’s page lists the county offices to call.

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